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C72900 Copper-nickel vs. CC494K Bronze

Both C72900 copper-nickel and CC494K bronze are copper alloys. They have 83% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C72900 copper-nickel and the bottom bar is CC494K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 6.0 to 20
7.6
Poisson's Ratio 0.34
0.35
Shear Modulus, GPa 45
39
Tensile Strength: Ultimate (UTS), MPa 870 to 1080
210
Tensile Strength: Yield (Proof), MPa 700 to 920
94

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 210
160
Melting Completion (Liquidus), °C 1120
970
Melting Onset (Solidus), °C 950
890
Specific Heat Capacity, J/kg-K 380
360
Thermal Conductivity, W/m-K 29
63
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
16
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
16

Otherwise Unclassified Properties

Base Metal Price, % relative 39
31
Density, g/cm3 8.8
9.1
Embodied Carbon, kg CO2/kg material 4.6
3.1
Embodied Energy, MJ/kg 72
50
Embodied Water, L/kg 360
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 210
13
Resilience: Unit (Modulus of Resilience), kJ/m3 2030 to 3490
43
Stiffness to Weight: Axial, points 7.6
6.4
Stiffness to Weight: Bending, points 19
17
Strength to Weight: Axial, points 27 to 34
6.5
Strength to Weight: Bending, points 23 to 27
8.8
Thermal Diffusivity, mm2/s 8.6
19
Thermal Shock Resistance, points 31 to 38
7.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.5
Copper (Cu), % 74.1 to 78
78 to 87
Iron (Fe), % 0 to 0.5
0 to 0.25
Lead (Pb), % 0 to 0.020
8.0 to 10
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0 to 0.3
0 to 0.2
Nickel (Ni), % 14.5 to 15.5
0 to 2.0
Niobium (Nb), % 0 to 0.1
0
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 7.5 to 8.5
4.0 to 6.0
Zinc (Zn), % 0 to 0.5
0 to 2.0
Residuals, % 0 to 0.3
0